TY - BOOK AU - Matetic,Rudy J. AU - Chekan,G.J. AU - Galek,James A. TI - Pillar load transfer associated with multiple-seam mining T2 - Report of investigations (United States. Bureau of Mines) U1 - 622.334 PY - 1987/// CY - Pittsburgh, Pa. PB - U.S. Dept. of the Interior, Bureau of Mines KW - Pillaring (Mining) KW - Mine subsidences KW - West Virginia KW - Raleigh County KW - Coal mines and mining ER -